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You searched for: Author Berggren, William A. Remove constraint Author: Berggren, William A. Academic Unit Lamont-Doherty Earth Observatory Remove constraint Academic Unit: Lamont-Doherty Earth Observatory Subject Geology Remove constraint Subject: Geology Start Over

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1. The Dababiya corehole, Upper Nile Valley, Egypt: Preliminary Results

2. What, if anything, is Quaternary?